/* USER CONFIGURATION */
/* Replace a specific number with an image. */
.bingo-cell[data-number="42"] {
  color: transparent;
  background-image: url("images/number-42.png");
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
}

/* Replace the free spot with a custom logo. */
.bingo-cell[data-number="free"] {
  color: transparent;
  background-image: url("images/free-logo.png");
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
}

:root {
  --page-bg: #111418;
  --card-bg: #1b2026;
  --header-bg: #2a313a;
  --text-color: #e6edf3;
  --daub-color: #33d17a;
  --called-color: #ffd166;
  --cell-bg: rgba(255, 255, 255, 0.04);
  --cell-border: rgba(255, 255, 255, 0.08);
  --cell-hover-border: rgba(255, 255, 255, 0.2);
  --header-text: var(--text-color);
  --card-shadow: rgba(0, 0, 0, 0.3);
  --page-glow: rgba(255, 255, 255, 0.06);
  --daub-text: #0c1116;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(
      1200px 600px at 20% -10%,
      var(--page-glow),
      transparent 70%
    ),
    var(--page-bg);
  color: var(--text-color);
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 20px;
}

header {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  align-items: center;
  justify-content: space-between;
}

header h1 {
  font-size: 20px;
  margin: 0;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.meta {
  font-size: 12px;
  opacity: 0.8;
}

.called-panel {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 12px;
  display: grid;
  gap: 8px;
  box-shadow: 0 12px 24px var(--card-shadow);
}

.called-panel h2 {
  margin: 0;
  font-size: 13px;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.called-grid {
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  gap: 4px;
}

.called-number {
  background: var(--cell-bg);
  border: 1px solid var(--cell-border);
  color: inherit;
  border-radius: 6px;
  min-height: 28px;
  font-size: 12px;
  cursor: not-allowed;
  transition: background 120ms ease, border-color 120ms ease, color 120ms ease;
}

.called-number.called {
  background: var(--daub-color);
  color: var(--daub-text);
  border-color: transparent;
  cursor: pointer;
}

.called-note {
  font-size: 12px;
  opacity: 0.7;
}

.cards {
  display: grid;
  gap: 16px;
}

.cards.single {
  justify-items: center;
}

.cards.multi {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

@media (min-width: 900px) {
  .cards.multi {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

.card {
  background: var(--card-bg);
  border-radius: 16px;
  padding: 12px;
  display: grid;
  gap: 8px;
  box-shadow: 0 12px 24px var(--card-shadow);
  width: 100%;
  max-width: 360px;
}

.card-header {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 4px;
}

.header-cell {
  background: var(--header-bg);
  color: var(--header-text);
  border-radius: 8px;
  padding: 10px 0;
  text-align: center;
  font-weight: 700;
  letter-spacing: 2px;
  font-size: 14px;
}

.grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 4px;
}

.cell {
  background: var(--cell-bg);
  border: 1px solid var(--cell-border);
  color: inherit;
  border-radius: 8px;
  min-height: 48px;
  display: grid;
  place-items: center;
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease,
    border-color 120ms ease, color 120ms ease;
}

.cell:hover {
  transform: translateY(-2px);
  border-color: var(--cell-hover-border);
}

.cell.uncalled {
  cursor: not-allowed;
}

.cell.uncalled:hover {
  transform: none;
  border-color: var(--cell-border);
}

.cell.daubed {
  background: var(--daub-color);
  color: var(--daub-text);
  border-color: transparent;
}

.cell.called:not(.daubed) {
  outline: 2px solid var(--called-color);
  outline-offset: -2px;
}

.free {
  font-size: 14px;
  letter-spacing: 1px;
}

@media (max-width: 600px) {
  header {
    flex-direction: column;
    align-items: flex-start;
  }

  .called-grid {
    grid-template-columns: repeat(8, minmax(0, 1fr));
  }

  .cell {
    min-height: 40px;
    font-size: 16px;
  }
}